definition of
categorisation

[1] #1 categorisation n. [classification, categorization] a group of people or things arranged by class or category. wn

[2] #2 categorisation n. [classification, categorization, sorting] the basic cognitive process of arranging into classes or categories. wn

[3] #3 categorisation n. [categorization, classification, compartmentalization, compartmentalisation, assortment] the act of distributing things into classes or categories of the same type. wn